//
//  WBNetworkManager+Extension.swift
//  传智微博
//
//  Created by wong on 16/12/29.
//  Copyright © 2016年 Canis. All rights reserved.
//

import Foundation

// MARK: - 封装新浪微博的网络请求方法

extension WBNetworkManager{
    
    /// 加载微博数据字典数组
    ///
    ///   - since_id: 则返回ID比since_id大的微博（即比since_id时间晚的微博），默认为0。
    ///   - max_id: 则返回ID小于或等于max_id的微博，默认为0。
    /// - Parameter completion: 完成回调[list: 微博字典数组/是否成功]
  
    func statusList(since_id:Int64 = 0, max_id:Int64 = 0, completion: @escaping (_ list:[[String:AnyObject]]?,_ isSuccess:Bool)->()) {
        let urlString = "https://api.weibo.com/2/statuses/home_timeline.json"
       // let params = ["access_token": "2.00_Wf6xDEFlN4Cecbd9b4baf022eEF"]
        
        let params = ["since_id":"\(since_id)",
            "max_id":"\(max_id > 0 ? max_id - 1 : 0)"]
    
       tokenRequest(URLString: urlString, parameters: params as [String : AnyObject]? ){
            (json,isSuccess) in
        
           
        //从json中获取 statuses 字典数组 
        //如果 as？失败 result = nil
        //提示：服务器返回的字典数组，就是按照时间的倒序排序的
        let result = json?["statuses"] as? [[String:AnyObject]]
        completion(result,isSuccess)
        }
    }
    
    //返回微博的未读数量  -- 定时刷新，不需要提示请求失败
    func unreadCount(completion: @escaping (_ count: Int) -> ()){
        guard let uid = userAccount.uid else {
            return
        }
        let urlString = "https://rm.api.weibo.com/2/remind/unread_count.json"
        
        let params = ["uid":uid]
        
        tokenRequest(URLString: urlString, parameters: params as [String : AnyObject]?){
            (json, isSuccess) in
            let dict = json as? [String: AnyObject]
            let count = dict?["status"] as? Int
            completion(count ?? 0)
            
        }
    }
}


// MARK: - 用户信息

extension WBNetworkManager{
    
    /// 加载当前用户信息 - 用户登录后立即执行
    func loadUserInfo(completion: @escaping (_ dict:[String: AnyObject]) -> ()){
        guard let uid = userAccount.uid else {
            return
        }
        
        let urlString = "https://api.weibo.com/2/users/show.json"

        let params = ["uid":uid]
        
        //发起网络请求
        tokenRequest(URLString: urlString, parameters: params as [String : AnyObject]?) { (json, isSuccess) in
            //完成回调
            completion(json as? [String:AnyObject] ?? [:])
        }
        
    }
    
}

// MARK: - OAuth相关方法
extension WBNetworkManager{
    
    //加载accessToken
    
    /// 加载access_Token
    ///
    /// - Parameters:
    ///   - code: 授权码
    ///   - completion: 完成回调[是否成功]
    func loadAccessToken(code:String, completion: @escaping (_ isSuccess:Bool) -> ()){
        let urlString = "https://api.weibo.com/oauth2/access_token"
        
        let params = ["client_id":WBAppKey,
                      "client_secret":WBAppSecret,
                      "grant_type":"authorization_code",
                      "code":code,
                      "redirect_uri":WBRedirectURI]
        //发起网络请求
        request(method: .POST, URLString: urlString, parameters: params as [String : AnyObject]?) {
            (json , isSuccess) in
            print(json)
            
            //如果请求失败，对用户账户数据不会有任何影响
            //直接用字典 设置 userAccount 的属性
            self.userAccount.yy_modelSet(with: (json as? [String : AnyObject]) ?? [:])
            
            print(self.userAccount)
            
           
            
            //加载当前用户信息
            self.loadUserInfo(completion: { (dict) in
              
                //使用用户信息字典设置用户账户信息(昵称和头像地址)
                self.userAccount.yy_modelSet(with: dict)
                
                
                //保存模型
                self.userAccount.saveAccount()
                print(self.userAccount)
                
                
                
                //用户信息加载完成再回调
                completion(true)
            })
            
           
        }
    }
}
